Air War 1917 is a barebones — and free — version of Wessex Games’ AirWar: 1918 biplane combat rules.
Rules: WWI
Trench Assault
Jim Wallman presents Trench Assault, a battalion level game simulating a rush across no man’s land in 1916. Jim writes that it can be used with any scale figures, but that 1/300 or 6mm would be best because they are closest to the groudn scale.
D-Day 1/72 Scale World War II Miniatures Rules
Brian Gills D-Day Rules are designed for 1/72 scale wargames miniatures.
Flying Circus WWI Air Rules
Flying Circus is a set of free wargames rules based on the old Avalon Hill Mustangs game.
Battle of Verdun Fast Play Rules
From the Junior General comes the Battle of Verdun Fast Play Rules. Designed for use with students, the rules are simple and fast. Paper figures also are available.